Organocatalytic Asymmetric Tandem α‐Aminooxylation–Henry Reactions for the Synthesis of 1,2‐Diols: Total Synthesis of (–)‐l‐threo‐Sphinganine
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DOI: 10.1002/ejoc.201701289
Abstract: A novel and rapid asymmetric syntheses of 1,2-diol derivatives anti- and syn-β,γ-dihydroxynitroalkanes via organocatalyzed tandem α-aminooxylation-Henry reactions are described. The targeted diol derivatives are synthesized in good yields, with excellent enantio- and low to moderate… read more here.
Keywords: aminooxylation henry; tandem aminooxylation; henry reactions; threo sphinganine ... See more keywords
Asymmetric catalysis in direct nitromethane-free Henry reactions
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DOI: 10.1039/c9ra10263a
Abstract: A great number of reports have described asymmetric catalytic Henry reactions using nitromethanes as pronucleophiles, but far more challenging is diastereoselective catalytic Henry reactions using substituted higher nitroalkanes instead of nitromethane to generate chiral β-nitro… read more here.
Keywords: nitromethane free; catalysis direct; henry; henry reactions ... See more keywords